Fig. 6From: Non-invasive identification of polymers in cultural heritage collections: evaluation, optimisation and application of portable FTIR (ATR and external reflectance) spectroscopy to three-dimensional polymer-based objectsFTIR spectra for a PS jelly mould ATR clamped and handheld, b PS jelly mould ER and KKT, c ABS camera body ATR clamped and handheld, d ABS camera body ER and KKTBack to article page